Ceramiales
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Risør til Hisøya | Agder, Norway | 1 | 1 | 1 | 2013-03-20 | |
| Rolfsbukta, Fornebu | Akershus, Norway | 1 | 1 | 0 | 2010-08-25 | |
| Rotvoll/Leangen fjæra | Trøndelag, Norway | 3 | 1 | 3 | 2019-08-23 | |
| Ryum | Trøndelag, Norway | 1 | 1 | 1 | 2020-10-22 | |
| Sageneset | Vestland, Norway | 10 | 3 | 0 | 2003-09-15 | |
| Sandholna | Vestland, Norway | 5 | 1 | 2 | 2019-05-24 | |
| Skattval | Trøndelag, Norway | 3 | 2 | 2 | 2020-06-10 | |
| Støre/Eigerøy | Rogaland, Norway | 4 | 1 | 0 | 2001-09-04 | |
| Sæbø | Møre og Romsdal, Norway | 7 | 2 | 0 | 2006-09-29 | |
| Tofte | Akershus, Norway | 1 | 1 | 0 | 2016-11-25 | |
| Torvangerfjæra | Vestland, Norway | 2 | 2 | 0 | 2002-10-08 | |
| Træ | Vestland, Norway | 1 | 1 | 0 | 2002-11-07 | |
| V. Måsane | Akershus, Norway | 9 | 1 | 0 | 1996-09-17 | |
| Valen | Vestland, Norway | 2 | 1 | 2 | 2015-08-27 | |
| vassenden | Innlandet, Norway | 1 | 1 | 0 | 2019-09-10 | |
| Årefjordstranda øst | Østfold, Norway | 1 | 1 | 0 | 2016-09-08 |